X030342011-05-060001452575Mead Johnson Nutrition CoMJN0001198959CORNELIUS JAMES M2701 PATRIOT BOULEVARDGLENVIEWIL60026-80391Common Stock2011-05-064P010000.000066.4260A83750.0000DSecurities acquired by the reporting person through a trade order executed by a broker-dealer in 14 same-way open market purchases on May 6, 2011. If requested by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, the reporting person will provide full information regarding the number of shares of common stock purchased at each separate price.Prices range from $66.41 to $66.45 per share of common stock./s/ Eryk J. Spytek, Attorney-in-Fact2011-05-09